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  1. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Sorry. not yet. I'm currently making final adjustments at my desk. We hope to start selling by the end of September.
  2. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    I recomend for TU05mk2 or TUR-08 Dita Perpetua : Low Z output IER-Z1R : Mid Z (TUR08's gain adjustment is stepless.) The discrete portable TR-17hp currently under development also has sufficient power. The TR series may also be an effective option if you value power and fatness of sound rather...
  3. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Thank you for your patronage! The TU-05's vacuum tube may be small for a flat drive type headphone. There is no problem with the final D8000, but the LCD series is difficult. The TUR-08 was designed to improve that. Especially in the case of BTL output, it is high power. It's difficult to put...
  4. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Thank you, I just shared on the Facebook page about the location of the gain trimmer. ;)
  5. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    I used TDA1541A for this product. Since the parts are rare, in the new production, the ready-made R-2R DAC chip or FPGA is used to configure the R-2R ladder.
  6. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    If you want a size of 07hp, you can do it with digital amplifier technology. I'm also experimenting with an amplifier that drives headphones such as HE6se using a housing like 07sp. (Adopts a large TO-3 CAN transistor in Class A) This may not be battery-powered from the standpoint of power...
  7. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Thanks for reply :) This is a voltage drive, not a current drive. VFETs (SIT) are used for voltage amplification.
  8. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Hello everyone! It's been a while since I've logged in. Well, this amp is a custom-built DACAMP, using a NosDAC TypeOne, a TR-. It looks like a combination of the best parts of the 07hp and TUR-06. The wireless part can be equipped with LDAC or AptX-HD wireless modules. The size is the same as...
  9. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Congrats! :3 And thank you.:snail: If you have any problems, please feel free to ask from the website. I will support you :)
  10. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    I am a designer of Analog2P. thank you for having interest. NOSDAC is slow rolled off up to 16kHz. However, it has been confirmed that when a 92 kHz PCM is inserted, it naturally appears up to 30 kHz. I am currently developing NOSDAC Type2. This will be the same size as TUR06, Equipped with...
  11. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Hi, Production of TUR - 08 has been delayed. (I'm sorry..) So, there are no customers who have it yet. I will complete it in January and ship it.
  12. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    I think that TU05 may be good if you want enjoy the vacuum tubes sound. It is peculiar to the SP 1000's internal amp, but it's not a vacuum tube sound. (In my opinion, I think the vacuum tube amp is effective with a simple dynamic earphone / headphone.) Thanks for your consideration. ;)
  13. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Hi, Type 1 is support only Coaxial input. It can also be manufactured as optical input. (It is not very beautiful because it is a board mounted type connector.) The signal accepts 24 bits 96 Khz, Since TDA1543 is a 16-bit DAC element, the lower bits are truncated. Designed as an 07hp...
  14. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Hi, Thank you for question. TU - 05 does not cause hiss noise due to semiconductor. TUR - 06 also reduces the noise by lowering the internal gain. I recommend TU - 05 if you can tolerate the size. However, there is accidental noise from the vacuum tube. (Microphonics from vibration, and contact...
  15. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    I am sorry to leave it for a while. I will provide a glass-like acrylic panel for my dear TU - 05 and TUR - 06 users. We will announce the launch on Facebook. https://twitter.com/Analog2P/status/906023284797349888/photo/1?ref_src=twsrc%5Etfw&ref_url=http%3A%2F%2Fwww.analog2p.com%2F We are...
  16. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Mr. Michael, Thank you for testing! Mr. German guy has already responded. (Thanks.) The input attenuator brings about degradation of sound quality. In the past it was better than the digital attenuator, but the latest DAP attenuation system is very excellent. I think that it is a remodeling...
  17. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    >> Thank you for your welcome. About TUR - 08 (especially regarding balanced input), I will write it on official Facebook including circumstances. TUR - 08 balanced input is semi - correspondence. Because once, I made a full-balance TUR-08 prototype. The vacuum tube input of the differential...
  18. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Thank you very much! Mr. German Guy. I understand that you answered technical questions kindly in this Thread instead of me. I would like to express my gratitude!! ;)
  19. Kageyuki Shikada

    Analog Squared Paper Discussion Thread.

    Hello everyone. I am SHIKADA KAGEYUKI of ANALOG SQUARED PAPER. I registered with Head-Fi. Thank you very very much for many posts (and Interesting remodeling!!) about my work! Thanks to everyone, I can make better products. I will reply to questions as much as I can. ありがとう。 A2P Kageyuki Shikada.
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